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Sloth

The Neon's Line Follower Robot of 2017

The slowest fastest line follower in the ice age.

Parts of the puzzle

  • Firmware: Is the main firmware that controls all the functions of the robot.
  • Software: Is telemetry software for data acquisition from the robot.
  • Eletronics: This keeps all the information about the electronics for the line following robot ‘NoFollow’.
  • Mechanics: Contains the STL files of the robot design.

Firmware

The firmware project was based on the mbed development platform and was developed in the Atom Text Editor equipped with the Platformio Extension.

Firmware parts overview

  • main: Controls all functions of the robot.
  • lineReader: Read the outside sensors and check the conditions.
  • Motor: Library for control the power and direction of the motors.
  • PID: Configures PID control on the angular velocity of the robot.
  • QEI: Libary for read the magnetic encoders. Available here
  • QTRSensors: Library for read the line sensors. Available here.

Eletronics

The eletronic board was developed in the Circuit Maker, a PCB Design Freeware. Project available here.

Bill of materials

Qtd Item Buy US$
1 ARM mbed NXP LPC1768 Development Board World 49.00
1 QTR-8A Reflectance Sensor Array World 9.95
1 TB6612FNG Dual Motor Driver Carrier World 4.95
1 Bluetooth Module HC-05 World 12.30
2 30:1 Micro Metal Gearmotor HP 6V with Extended Motor Shaft World 16.95
1 Magnetic Encoder Pair Kit for Micro Metal Gearmotors World 8.95
1 Profuse 2S 7.4V 850 Mah LiPo Battery World 13.50

Mecanichs

The mechanics project was developed in the Fusion 360, a 3D CAD/CAM Software free for students. Project available here.

3D Printed Parts

Qtd Item
1 Chassis
4 Motor Support
2 Ball Caster Holder
3 Spacer
1 PCB Support

Bill of materials

Qtd Item Buy US$
1 Atom Wheel 37x34mm Pair World 19.50
1 Mini Plastic Caster Wheel Pair World 1.40

Software

Only a concept.

Contributors